不规则动词过去式的技巧
1. A---A---A型（现在式、过去式和过去分词同形）
动词原形（现在式） 过去式 过去分词
cost cost cost 花费
cut cut cut 割，切
hit hit hit 打
let let let 让
put put put 放下
read read read 读
hurt hurt hurt 伤
2. A---A---B型（现在式和过去式同形）
beat beat beaten 打
3. A---B---A型（现在式和过去分词同形）
come came come 来
become became become 变
run ran run 跑
4. A ---B ---B型
（1）在动词原形后加一个辅音字母d或t构成过去式或过去分词。
burn burnt burnt 燃烧
learn learned/learnt learned/learnt 学习
mean meant meant 意思
hear heard heard 听见
（2）把动词原形的最后一个辅音字母“d”改为“t” 构成过去式或过去分词。
build built built 建筑
lend lent lent 借给
lose lost lost 失去
send sent sent 送
spend spent spent 花费
（3）其他
pay paid paid 付
lay laid laid 下蛋
say said said 说
bring brought brought 带来
buy bought bought 买
think thought thought 想
sleep slept slept 睡
keep kept kept 保持
sweep swept swept 扫
stand stood stood 站
understand understood understood 明白
win won won 得胜
shine shone/shined shone/shined 发光
catch caught caught 抓住
teach taught taught 教
feel felt felt 觉得
fight fought fought 战斗
find found found 发现
get got got 得到
hang hanged/ hung hanged/ hung 绞死，挂
have had had 有
hold held held 盛，握
leave left left 离开
make made made 制造
meet met met 遇见
sell sold sold 卖
shoot shot shot 射击
tell told told 告诉
smell smelt/smelled smelt/smelled 嗅，闻
sit sat sat 坐
dig dug dug 挖
5. A---B---C型（现在式、过去式和过去分词都不相同）
（1）在动词原形后加-n或-en构成过去分词。
eat ate eaten 吃
fall fell fallen 落下
steal stole stolen 偷
give gave given 给
freeze froze frozen 冻结
take took taken 拿
see saw seen 看见
write wrote written 写
ride rode ridden 骑
drive drove driven 驾驶
throw threw thrown 抛，扔
blow blew blown 吹 G
get got gotten/ got
give gave given
go went gone
grind ground ground
grow grew grown
H
hang hung hung
have had had
hear heard heard
hide hid hidden
hit hit hit
hold held held
hurt hurt hurt
I
input input input
inset inset inset
interbreed interbred interbred
interweave interwove interwoven
K
keep kept kept
kneel knelt/ kneeled knelt/ kneeled
knit knit/ knitted knit/ knitted
know knew known
L
lay laid laid
lead led led
lean leaned/ leant leaned/ leant
leap leapt/ leaped leapt/ leaped
learn learned/ learnt learned/ learnt
leave left left
lend lent lent
let let let
lie lay lain
light lit / lighted lit / lighted
lose lost lost
M
make made made
mean meant meant
meet met met
mishear misheard misheard
mislay mislaid mislaid
mislead misled misled
misread misread misread
misspell misspelled/ misspelt misspelled/ misspelt
mistake mistook mistaken
misunderstand misunderstood misunderstood
mow mowed mowed/ mow
O
outbid outbid outbid
outdo outdid outdone
outgrow outgrew outgrown
outrun outran outrun
outsell outsold outsold
overcast overcast overcast
overcome overcame overcome
overdo overdid overdone
overdraw overdrew overdrawn
overeat overate overeaten
overhang overhung overhung
overhear overheard overheard
overlay overlaid overlaid
overlie overlay overlain
overpay overpaid overpaid
override overrode overridden
overrun overran overrun
oversee oversaw overseen
oversell oversold oversold
overshoot overshot overshot
oversleep overslept overslept
overtake overtook overtaken
overthrow overthrew overthrown
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